Complainant Com*plain"ant (k[o^]m*pl[=a]n"ant), n. [F. complaignant, p. pr. of complaindre.] 1. One who makes complaint. [1913 Webster]

Eager complainants of the dispute. --Collier. [1913 Webster]

2. (Law) (a) One who commences a legal process by a complaint. (b) The party suing in equity, answering to the plaintiff at common law. [1913 Webster]

He shall forfeit one moiety to the use of the town, and the other moiety to the use of the complainant. --Statutes of Mass. [1913 Webster]

The Collaborative International Dictionary of English. 2000.